The author reports own observations about essential morphology and ethology of Hoplocephala haemorrhoidalis Fabr. Which lives and develops in the carpophorum of Fomes fomentarius in Foresta Umbra (Foggia). As for morphology are bere reported essential imaginal characters of the Tenebrionide, with particular regard to the sexual dimorphism, the mandibular asymmetry in both sexes, and the copulatory organ of the male. As Tenebrionidae larvae are very little known, a more Wide morphology of Hoplocephala mature larva has been reported. As for ethology the author refers on imago and larva behaviour in the carpophora of Fomes fomentarius. Durante raccolte entomologiche fatte nel 1972 a Foresta Umbra (Foggia) rimasi interessato dalla ricchezza de...